fix: DeviceInventory 缺少 TableField import 导致编译失败

haha-entity/src/main/java/com/haha/entity/DeviceInventory.java

@@ -1,6 +1,7 @@
 package com.haha.entity;
 
 import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 import com.baomidou.mybatisplus.annotation.Version;